X-Ray Mag

Simon Pridmore

Crest smartwatch dive computer

Smartwatch Dive Computers: A Safety Revolution?

10 Oct, 2023    

The Insidious Threat of Complacency

22 May, 2023     Training , Mindset
Sap-sucking slug, Green Island, Taiwan. Photo by Kyo Liu

Taiwan's Green Island

22 May, 2023    
The tiny Costasiella fridae, a relatively new classification. Photo by Steve Wolborsky

Muck Diving: It’s a Small, Small World on Guam

22 May, 2023    
Badai Bay Wreck, Orchid Island, Taiwan

Orchid Island: Dive into Taiwan, Part 5

08 Apr, 2023    
Cave diver with rebreather

Rebreathers in Sport Diving: The Early Days

08 Apr, 2023     Technical Diving , Rebreathers
scuba diver

Helga and the Weight Debate

06 Feb, 2023     Training
Pygmy seahorse

Dive into Taiwan: Kenting

25 Jan, 2023    
Divers explore half of the Broken Shipwreck

Dive into Taiwan: Xiaoliuqiu

19 Jan, 2023    
Tech diver on wreck

Turning Tek

19 Jan, 2023     Training , Technical Diving
Divers at Lavender Fields, Pengu, Taiwan

Dive into Taiwan: Penghu

24 Oct, 2022    
Narcosis vortex

Out of Control

24 Oct, 2022     Training
nitrox diver

Should I do a Nitrox Course?

01 Sep, 2022     Training
Reef scene at Secret Garden, found along Taiwan's northeastern coast. Photo by Kyo Liu

Dive into Taiwan: Northeast Coast Treasures

01 Sep, 2022    
Photo by Michael Rothschild

Developing a Scuba Sixth Sense

23 Jun, 2022    
Wreck Brothers Island

Can You Be TOO Cautious?

15 Feb, 2022    
chickenvsdog / Flickr Commons / CC BY-NC 2.0

Drift Diving: This isn't diving—it's flying!

01 Feb, 2022    
Diver with barracuda. CHENWU / FLICKR / CC BY-2.0

The Barracuda Dive

05 Jan, 2022     Training

Beware of the Corner Cutters

05 Oct, 2021    
Great white shark. Photo by Elias Levy (Flickr Commons / CC BY 2.0)

The Dawn of Understanding: Blue Water, White Death – 50 Years On

07 Sep, 2021    
Photo illustration by G. Symes compiled with public domain Pixabay images

Just Like Riding a Bike: Diving After a Break

18 Jun, 2021     Training
Whale shark. Photo by Don Silcock

Making the Right Choice

20 Apr, 2021    
Cave diver. Photo by Andrey Bizyukin.

Ten Commandments of Tech Diving Ops, Part II

30 Mar, 2021     Safety Culture , Technical Diving

Ten Commandments of Tech Diving Ops, Part I

06 Feb, 2021     Safety Culture , Technical Diving

Look After Your People

20 Nov, 2020     Safety Culture , Technical Diving

Defensive Diving, Part 1

19 Jun, 2020     Training , Safety Culture
Photo by Andrey Bizyukin

Going Pro, Part II: The Road from Instructor to Dive Professional

23 May, 2020     Training

Going Pro – Part I: To Divemaster and Beyond

16 Apr, 2020     Training
In scuba diving, going down and staying down are not the difficult bits (a brick can do that). Coming up again is the part that requires skill.

A Brick Can Do That!

16 Feb, 2020     Training , Safety Culture

Out of Air with Plenty to Breathe

04 Dec, 2019    

New Ideas on Narcosis

04 Aug, 2019    

The Lone Wolf

21 May, 2019     Training , Safety Culture

Routine Matters

16 May, 2019     Mindset

Choosing a BCD: Solutions for the Slight

04 Apr, 2019    

Selling Yourself Short: Your Skills Are Worth Nothing and You Work for Free

28 Jan, 2019    

PFO: Not the “Hole” Story

08 Jun, 2018    

The Perimeter of Ignorance

19 Feb, 2018     Training

The Swimming / Diving Disconnect

04 Aug, 2017     Training

The Future of Scuba Diving in a Flat World – Part II

18 Jul, 2017     Training

The Future of Scuba Diving in a Flat World – Part 1

20 May, 2017    

Air Supply Emergencies

08 Apr, 2017     Training , Safety Culture

I Survived! Preventative Safety Strategies

17 Dec, 2016    

It's Not Beasting

17 Oct, 2016    

No Dive Centre is an Island

30 Aug, 2016    

Choose Wisely: How to Spot a Good Dive Instructor

20 Jun, 2016     Training

The Folly of Deep Air

21 Aug, 2015     Safety Culture

The Perfect Diving Breath

06 Jan, 2015    

Scuba's Silent Killer

31 Dec, 2014    

Help! I Need Somebody

21 Oct, 2014    

What if diving was new?

31 Aug, 2014    

How Did That Get in There? —Water in the Tank Mystery

30 Jun, 2014    

Don’t Let Folk Get Carried Away!

01 May, 2014    

Where is the O2?

02 Jan, 2014    

Unselling the Product

28 Oct, 2013    

Opening Up Closed Circuit

05 Sep, 2013     Rebreathers

The Insidious Threat of Hypoxic Blackout in Rebreather Diving

22 Apr, 2012     Safety Culture , Rebreathers